481220871 has 12 divisors (see below), whose sum is σ = 645151416. Its totient is φ = 319061680.

The previous prime is 481220833. The next prime is 481220879. The reversal of 481220871 is 178022184.

It is a happy number.

It is not a de Polignac number, because 481220871 - 2⁹ = 481220359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481220879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107245 + ... + 111641.

It is an arithmetic number, because the mean of its divisors is an integer number (53762618).

Almost surely, 2^481220871 is an apocalyptic number.

481220871 is a deficient number, since it is larger than the sum of its proper divisors (163930545).

481220871 is an equidigital number, since it uses as much as digits as its factorization.

481220871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 481220871 is about 21936.7470469074. The cubic root of 481220871 is about 783.6367923807.

The spelling of 481220871 in words is "four hundred eighty-one million, two hundred twenty thousand, eight hundred seventy-one".